Home / 4,644.79-6,409.66-2,655.31

Finding the Fourth Proportional to 4,644.79, 6,409.66 and 2,655.31

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Solution

The fourth proportional to 4,644.79, 6,409.66 and 2,655.31 is: 3,664.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,644.79 : 6,409.66 = 2,655.31 : x
  2. Step 2: Convert to fraction form
    4,644.79/6,409.66 = 2,655.31/x
  3. Step 3: Cross multiply
    4,644.79x = 6,409.66 × 2,655.31
  4. Step 4: Simplify right side
    4,644.79x = 17,019,603.13
  5. Step 5: Solve for x
    x = 17,019,603.13/4,644.79
  6. Step 6: Final answer
    x = 3,664.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.